Started help thing

moo/mooapp/Makefile.incl

@@ -21,10 +21,20 @@ mooapp_sources =                              \
     $(mooapp)/mooappinput.c                   \
     $(mooapp)/mooappinput.h                   \
     $(mooapp)/mooappoutput.c                  \
-    $(mooapp)/mooappoutput.h
+    $(mooapp)/mooappoutput.h                  \
+    $(mooapp)/moohelp.c                       \
+    $(mooapp)/moohelp.h
+
+if MOO_USE_XML
+mooapp_sources +=                             \
+    $(mooapp)/moohtml.c                       \
+    $(mooapp)/moohtml.h
+endif
 
 mooapp_extra_dist =                           \
-    $(mooapp)/gpl
+    $(mooapp)/gpl                             \
+    $(mooapp)/moohtml.c                       \
+    $(mooapp)/moohtml.h
 
 $(mooapp)/mooappabout-glade.h: $(mooapp_srcdir)/glade/mooappabout.glade $(XML2H)
 	mkdir -p $(mooapp)

moo/mooapp/moohelp.c

@@ -0,0 +1,16 @@
+/*
+ *   moohelp.c
+ *
+ *   Copyright (C) 2004-2006 by Yevgen Muntyan <muntyan@math.tamu.edu>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   See COPYING file that comes with this distribution.
+ */
+
+#include "mooapp/moohelp.h"
+
+

moo/mooapp/moohelp.h

@@ -0,0 +1,27 @@
+/*
+ *   moohelp.h
+ *
+ *   Copyright (C) 2004-2006 by Yevgen Muntyan <muntyan@math.tamu.edu>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   See COPYING file that comes with this distribution.
+ */
+
+#ifndef __MOO_HELP_H__
+#define __MOO_HELP_H__
+
+#include "mooapp/moohtml.h"
+
+G_BEGIN_DECLS
+
+
+
+
+
+G_END_DECLS
+
+#endif /* __MOO_HELP_H__ */

moo/mooapp/moohtml.h

@@ -0,0 +1,97 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4; coding: utf-8 -*-
+ *
+ *   moohtml.h
+ *
+ *   Copyright (C) 2004-2006 by Yevgen Muntyan <muntyan@math.tamu.edu>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   See COPYING file that comes with this distribution.
+ */
+
+#ifndef __MOO_HTML_H__
+#define __MOO_HTML_H__
+
+#include <gtk/gtktextview.h>
+
+G_BEGIN_DECLS
+
+
+#define MOO_TYPE_HTML              (moo_html_get_type ())
+#define MOO_HTML(object)           (G_TYPE_CHECK_INSTANCE_CAST ((object), MOO_TYPE_HTML, MooHtml))
+#define MOO_HTML_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST ((klass), MOO_TYPE_HTML, MooHtmlClass))
+#define MOO_IS_HTML(object)        (G_TYPE_CHECK_INSTANCE_TYPE ((object), MOO_TYPE_HTML))
+#define MOO_IS_HTML_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass), MOO_TYPE_HTML))
+#define MOO_HTML_GET_CLASS(obj)    (G_TYPE_INSTANCE_GET_CLASS ((obj), MOO_TYPE_HTML, MooHtmlClass))
+
+#define MOO_TYPE_HTML_TAG              (moo_html_tag_get_type ())
+#define MOO_HTML_TAG(object)           (G_TYPE_CHECK_INSTANCE_CAST ((object), MOO_TYPE_HTML_TAG, MooHtmlTag))
+#define MOO_HTML_TAG_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST ((klass), MOO_TYPE_HTML_TAG, MooHtmlTagClass))
+#define MOO_IS_HTML_TAG(object)        (G_TYPE_CHECK_INSTANCE_TYPE ((object), MOO_TYPE_HTML_TAG))
+#define MOO_IS_HTML_TAG_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass), MOO_TYPE_HTML_TAG))
+#define MOO_HTML_TAG_GET_CLASS(obj)    (G_TYPE_INSTANCE_GET_CLASS ((obj), MOO_TYPE_HTML_TAG, MooHtmlTagClass))
+
+typedef struct _MooHtml             MooHtml;
+typedef struct _MooHtmlPrivate      MooHtmlPrivate;
+typedef struct _MooHtmlClass        MooHtmlClass;
+typedef struct _MooHtmlTag          MooHtmlTag;
+typedef struct _MooHtmlTagClass     MooHtmlTagClass;
+typedef struct _MooHtmlAttr         MooHtmlAttr;
+
+struct _MooHtml
+{
+    GtkTextView parent;
+    MooHtmlPrivate *priv;
+};
+
+struct _MooHtmlClass
+{
+    GtkTextViewClass parent_class;
+
+    gboolean (*load_url)    (MooHtml    *html,
+                             const char *url);
+    void     (*hover_link)  (MooHtml    *html,
+                             const char *link);
+};
+
+struct _MooHtmlTag
+{
+    GtkTextTag base;
+
+    MooHtmlTag *parent;
+    GHashTable *child_tags; /* char* -> MooHtmlTag* */
+
+    MooHtmlAttr *attr;
+    char *href;
+};
+
+struct _MooHtmlTagClass
+{
+    GtkTextTagClass base_class;
+};
+
+
+GType           moo_html_get_type       (void) G_GNUC_CONST;
+GType           moo_html_tag_get_type   (void) G_GNUC_CONST;
+
+GtkWidget      *moo_html_new            (void);
+
+gboolean        moo_html_load_memory    (MooHtml            *html,
+                                         const char         *buffer,
+                                         int                 size,
+                                         const char         *url,
+                                         const char         *encoding);
+gboolean        moo_html_load_file      (MooHtml            *html,
+                                         const char         *file,
+                                         const char         *encoding);
+
+void            moo_html_set_font       (MooHtml            *html,
+                                         const char         *font);
+
+
+G_END_DECLS
+
+#endif /* __MOO_HTML_H__ */

tests/testhtml.c

@@ -0,0 +1,70 @@
+#include "moohtml.h"
+#include <gtk/gtk.h>
+
+
+static void
+set_title (MooHtml      *html,
+           G_GNUC_UNUSED GParamSpec *pspec,
+           GtkWindow    *window)
+{
+    char *title;
+    g_object_get (html, "title", &title, NULL);
+    gtk_window_set_title (window, title);
+    g_free (title);
+}
+
+static void
+hover_link (GtkStatusbar *statusbar,
+            const char   *link)
+{
+    gtk_statusbar_pop (statusbar, 0);
+
+    if (link)
+        gtk_statusbar_push (statusbar, 0, link);
+}
+
+
+int main (int argc, char *argv[])
+{
+    GtkWidget *window, *swin, *html, *statusbar, *vbox;
+
+    gtk_init (&argc, &argv);
+
+    window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+    gtk_window_set_default_size (GTK_WINDOW (window), 400, 300);
+    g_signal_connect (window, "destroy",
+                      G_CALLBACK (gtk_main_quit), NULL);
+
+    vbox = gtk_vbox_new (FALSE, 0);
+    gtk_container_add (GTK_CONTAINER (window), vbox);
+
+    swin = gtk_scrolled_window_new (NULL, NULL);
+    gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swin),
+                                    GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
+    gtk_box_pack_start (GTK_BOX (vbox), swin, TRUE, TRUE, 0);
+
+    html = moo_html_new ();
+    gtk_text_view_set_left_margin (GTK_TEXT_VIEW (html), 6);
+    gtk_text_view_set_right_margin (GTK_TEXT_VIEW (html), 6);
+    gtk_container_add (GTK_CONTAINER (swin), html);
+//     moo_html_set_font (MOO_HTML (html), "Tahoma 12");
+
+    statusbar = gtk_statusbar_new ();
+    gtk_box_pack_start (GTK_BOX (vbox), statusbar, FALSE, FALSE, 0);
+
+    g_signal_connect (html, "notify::title",
+                      G_CALLBACK (set_title), window);
+    g_signal_connect_swapped (html, "hover-link",
+                              G_CALLBACK (hover_link), statusbar);
+
+    if (!argv[1])
+        g_error ("usage: %s <file.html>", argv[0]);
+
+    if (!moo_html_load_file (MOO_HTML (html), argv[1], NULL))
+        g_error ("ERROR");
+
+    gtk_widget_show_all (window);
+    gtk_main ();
+
+    return 0;
+}